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How to design the QoS flow classification and marking

Latest reply: Dec 25, 2018 02:47:28 1145 3 10 0 0

In the MAN network, if we use the diffServ model, we should to design the flow classification and marking it.

we can do the flow classification and marking as below:

QoS level

Marking number

Service type

Bandwidth (weight)

Packet loss mechanism

PQ

7

Voice, AAA packet

10(bandwidth)

Queue traffic shaping

High Round Robin

5

IPTV service(live, multicast)

70(weight)

 

Middle Round Robin

3

IPTV service(unicast)

10(weight)

 

Low Round Robin

0

Internet service

109weight)

 

l   The overall scheduling mode is 1 PQ queue + 3 WFQ queues.

l   The packet marked as 7 enters the strict priority queue, allocates 10% of the bandwidth of the physical link, and adopts the tail drop congestion avoidance mechanism;

l   The packet marked 5 enters the High Round Robin queue, assigns 70 weights, and the queue is not limited. The WRED mechanism is not used;

l   The packet marked 3 enters the Middle Round Robin queue, assigns 10 weights, the queue is not fast, does not adopt the WRED mechanism;

l   The packet marked 0 enters the low polling queue, assigns 10 weights, and the queue is not limited.

l   The WRED mechanism is not used.


  • x
  • convention:

dagui
Created Dec 20, 2018 02:59:37

Can you give a specific example?
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  • x
  • convention:

user_2915719
Created Dec 20, 2018 03:03:41

Does the QoS function require many CPU resource of the device, if so, is there a specification for how many QoS rules are supported for each model of equipment?
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  • x
  • convention:

xiaomumu
Created Dec 25, 2018 02:47:28

QoS is a good current limiting mode
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  • x
  • convention:

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